CN103741877A - Lattice anti-shearing device-steel-profiled steel plate-renewable concrete combination beam and production method - Google Patents
Lattice anti-shearing device-steel-profiled steel plate-renewable concrete combination beam and production method Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 239000004567 concrete Substances 0.000 title claims abstract description 57
- 238000010008 shearing Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims 10
- 230000008929 regeneration Effects 0.000 claims 6
- 150000001875 compounds Chemical class 0.000 claims 5
- 210000003205 muscle Anatomy 0.000 claims 3
- 238000012423 maintenance Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 21
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- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002028 premature Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Abstract
梯格抗剪装置-钢-压型钢板-再生混凝土组合梁，属于建筑施工技术领域，其包括钢梁、压型钢板、再生混凝土、梯格抗剪装置、横向钢筋和纵向钢筋。梯格抗剪装置由焊接于钢梁上的剪力连接件和铺设并焊接在剪力连接件上表面的梯格横筋和梯格纵筋组成。梯格抗剪连接装置有利于承担裂缝处的剪力，充分发挥上部混凝土受压性能，避免混凝土过早受压破坏，改善组合梁的承载能力，使其具有较好的延性；与混凝土形成约束条带，极大地提高了抗剪连接装置与混凝土共同工作的性能，增强了结构的整体稳定性，有利于发挥消能减震的作用。
The ladder shearing device-steel-profiled steel plate-regenerated concrete composite beam belongs to the technical field of building construction and includes steel beams, profiled steel plates, recycled concrete, ladder shearing devices, transverse reinforcement and longitudinal reinforcement. The ladder shear device is composed of a shear connector welded on the steel beam, and a ladder transverse bar and a ladder longitudinal bar laid and welded on the upper surface of the shear connector. Ladder shear connection device is beneficial to bear the shear force at the crack, give full play to the compressive performance of the upper concrete, avoid premature concrete failure, improve the bearing capacity of the composite beam, and make it have better ductility; form a constraint with the concrete The strip greatly improves the performance of the shear connection device working with the concrete, enhances the overall stability of the structure, and is beneficial to play the role of energy dissipation and shock absorption.
Description
技术领域technical field
本发明是一种梯格抗剪装置-钢-压型钢板-再生混凝土组合梁及作法，属于一种组合梁及其制作方法。The invention relates to a ladder shearing device-steel-profiled steel plate-regenerated concrete composite beam and a method thereof, which belong to a composite beam and a manufacturing method thereof.
背景技术Background technique
钢-压型钢板混凝土组合梁是一种新型结构构件，由于它受力合理且施工方便，近年来已被越来越多的应用到高层钢结构建筑和工业厂房的楼盖结构中。该组合梁充分发挥了钢材抗拉强度高和混凝土抗压强度高的材料特性，具有自重轻、承压力高、刚度大、延性好、抗震性能好等优点。压型钢板组合梁不仅具有现浇钢筋混凝土梁所具有的优点，而且在施工阶段可以起到模板和施工平台作用，综合经济效益显著。再生混凝土的使用是合理利用建筑垃圾的有效途径，对创建环境友好型、资源节约型社会有重要影响。Steel-profiled steel plate concrete composite beam is a new type of structural member. Due to its reasonable force and convenient construction, it has been more and more applied to the floor structure of high-rise steel structure buildings and industrial factories in recent years. The composite beam gives full play to the material characteristics of high tensile strength of steel and high compressive strength of concrete, and has the advantages of light weight, high bearing pressure, high rigidity, good ductility, and good seismic performance. The profiled steel plate composite beam not only has the advantages of cast-in-place reinforced concrete beams, but also can play the role of formwork and construction platform during the construction stage, and the comprehensive economic benefits are remarkable. The use of recycled concrete is an effective way to rationally utilize construction waste, and has an important impact on creating an environment-friendly and resource-saving society.
抗剪连接件在组合结构中具有承担钢和混凝土交界面剪力的作用，剪力连接件的抗剪承载力直接影响组合结构的承载能力。梯格抗剪装置起到了传递分配交界面剪力的作用，有效减少滑移量；梯格抗剪装置与混凝土形成约束条带，极大地提高了抗剪连接装置与混凝土共同工作的性能，增强了结构的整体稳定性，有利于发挥消能减震的作用。The shear connectors have the function of bearing the shear force at the interface between steel and concrete in the composite structure, and the shear bearing capacity of the shear connectors directly affects the bearing capacity of the composite structure. The ladder shear device plays the role of transmitting and distributing the shear force at the interface, effectively reducing the slippage; the ladder shear device forms a restraint strip with the concrete, which greatly improves the performance of the joint work between the shear connection device and the concrete, and enhances the It improves the overall stability of the structure and helps to play the role of energy dissipation and shock absorption.
发明内容Contents of the invention
本发明提出一种梯格抗剪装置-钢-压型钢板再生混凝土组合梁及其制作方法，在节约成本的前提下，实现废弃混凝土的合理利用，提高抗剪连接装置的整体性，控制裂缝开展，充分发挥混凝土受压性能，避免混凝土过早受压破坏，从而改善组合梁的承载能力。The invention proposes a ladder shear device-steel-profiled steel plate recycled concrete composite beam and its manufacturing method, which can realize the rational utilization of waste concrete, improve the integrity of the shear connection device, and control cracks under the premise of saving costs Carry out, give full play to the compressive performance of concrete, avoid premature concrete failure, thereby improving the bearing capacity of composite beams.
本发明采用的技术方案是：The technical scheme adopted in the present invention is:
带梯格抗剪装置-钢-压型钢板-再生混凝土组合梁包括钢梁1、压型钢板2、再生混凝土3、梯格抗剪装置、横向钢筋4和纵向钢筋5；钢梁1两端固定于柱上；压型钢板2通过剪力连接件6固定于钢梁1上；剪力连接件6上表面铺设并焊接梯格横筋7和梯格纵筋8；布置横向钢筋4和纵向钢筋5并浇筑再生混凝土3形成梯格抗剪装置-钢-压型钢板再生混凝土组合梁。其中梯格抗剪装置由焊接于钢梁1上的剪力连接件6和铺设并焊接在剪力连接件6上表面的梯格横筋7和梯格纵筋8组成。With ladder shear device-steel-profiled steel plate-recycled concrete composite beam includes
所述剪力连接件6采用栓钉或高强螺栓。The
所述剪力连接件6为栓钉时采用透焊技术焊接于钢梁1上，即将剪力连接件6透过压型钢板2直接焊接在钢梁1上，焊缝应符合相应的技术要求。When the
根据本发明的技术方案，该梯格抗剪装置-钢-压型钢板-再生混凝土组合梁制作方法，其制作步骤如下：According to the technical solution of the present invention, the manufacturing method of the ladder shearing device-steel-profiled steel plate-recycled concrete composite beam, its manufacturing steps are as follows:
1）在钢梁1上铺设压型钢板2，并在压型钢板2下方设置顶撑；1) Lay the profiled
2）压型钢板2铺设完成后，在相应位置布置抗剪连接件6，即将压型钢板2与钢梁1固定；2) After the profiled
3）沿钢梁1方向的抗剪连接件6上方布置梯格横钢7，并将该钢筋焊接于下部抗剪连接件6；沿垂直于钢梁1方向在抗剪连接件6上方布置焊接梯格纵筋9，即形成梯格抗剪装置；3) Ladder
4）布置横向钢筋4和纵向钢筋6，将其绑扎于梯格抗剪装置上方；4) Arrange the
5）对抗剪连接装置、钢筋布置和顶撑验收无误后，方可在压型钢板2上方浇筑再生混凝土3；5) Recycled
6）再生混凝土3终凝后洒水养护并不少于7天；6) Recycled
7）待再生混凝土3强度达到设计抗压强度后拆可拆除顶撑。7) After the strength of the recycled
本发明的有益效果如下：The beneficial effects of the present invention are as follows:
再生混凝土的使用可以起到节约资源和保护环境的作用，具有明显的经济效益和环境效益。梯格抗剪装置起到了传递分配交界面剪力的作用，有效减少滑移量。混凝土与栓钉接触面在外界荷载作用下发生剪切滑移并伴随着劈裂裂缝的产生并向上延伸，梯格抗剪装置有利于承担裂缝处的剪力，并控制裂缝进一步开展，充分发挥上部混凝土受压性能，避免混凝土过早受压破坏，从而改善组合梁的承载能力，使其具有较好的延性。梯格抗剪装置与混凝土形成约束条带，极大地提高了抗剪装置与混凝土共同工作的性能，增强了结构的整体稳定性，有利于发挥消能减震的作用。栓钉和高强螺栓属于柔性抗剪连接构件，单向受力，延性较好，而且具有施工简单的优点。The use of recycled concrete can save resources and protect the environment, and has obvious economic and environmental benefits. The ladder shear device plays the role of transmitting and distributing the shear force at the interface, effectively reducing the slippage. The contact surface between the concrete and the studs undergoes shear slip under external loads and is accompanied by the generation of splitting cracks and extends upwards. The ladder shear device is conducive to bearing the shear force at the cracks and controlling the further development of the cracks. The compressive performance of the upper concrete can avoid premature concrete failure, thereby improving the bearing capacity of the composite beam and making it have better ductility. The ladder shear device and concrete form a restraint strip, which greatly improves the performance of the shear device and concrete working together, enhances the overall stability of the structure, and is conducive to exerting the role of energy dissipation and shock absorption. Studs and high-strength bolts are flexible shear-resisting connecting members, which bear force in one direction, have good ductility, and have the advantages of simple construction.
附图说明Description of drawings
图1是梯格抗剪装置-钢-压型钢板-再生混凝土组合梁结构示意图；Fig. 1 is a schematic diagram of the structure of ladder shear device-steel-profiled steel plate-recycled concrete composite beam;
图2是图1中1-1剖面的结构示意图；Fig. 2 is the structural representation of section 1-1 in Fig. 1;
图3是梯格抗剪装置-钢-压型钢板-再生混凝土组合梁结构立体图。Fig. 3 is a three-dimensional view of the structure of ladder shearing device-steel-profiled steel plate-recycled concrete composite beam.
其中：1-钢梁，2-压型钢板，3-再生混凝土，4-横向钢筋，5-纵向钢筋，6-抗剪连接件，7-梯格横筋，8-梯格纵筋。Among them: 1-steel beam, 2-profiled steel plate, 3-recycled concrete, 4-transverse reinforcement, 5-longitudinal reinforcement, 6-shear connector, 7-ladder transverse reinforcement, 8-ladder longitudinal reinforcement.
具体实施方式Detailed ways
如图1所示，带梯格抗剪装置-钢-压型钢板-再生混凝土组合梁包括：钢梁1、压型钢板2、再生混凝土3、梯格抗剪装置、横向钢筋4和纵向钢筋5。压型钢板2的形式有开口型、闭口型和缩口型，本实施例中采用缩口型压型钢板；抗剪连接件6可以采用栓钉和高强螺栓，本实施例中梯格抗剪装置采用栓钉作为抗剪连接件6。带梯格抗剪装置及做法是在钢梁1上方铺设压型钢板2，通过栓钉将压型钢板2焊接固定于钢梁1上，在栓钉上铺设并焊接梯格横筋7和梯格纵筋8将其连接为一个整体，即梯格抗剪装置；铺设横向钢筋4和纵向钢筋5并绑扎连接，验收无误后浇筑再生混凝土3。As shown in Figure 1, the composite beam with ladder shear device-steel-profiled steel plate-recycled concrete includes:
梯格抗剪装置-钢-压型钢板-再生混凝土组合梁通过焊接钢筋将分散的抗剪连接件组合成一个整体，该装置有利于控制混凝土裂缝的开展，充分发挥上部混凝土受压性能，避免混凝土过早受压破坏，从而改善组合梁的承载能力，使其具有较好的延性。Ladder shear device-steel-profiled steel plate-recycled concrete composite beam combines scattered shear connectors into a whole by welding steel bars. Concrete is destroyed by compression prematurely, thereby improving the bearing capacity of the composite beam and making it have better ductility.
梯格抗剪连装置和其中的混凝土形成良好的约束混凝土条带，极大地提高了抗剪连接装置与混凝土共同工作的性能，增强了结构的整体稳定性，有利于发挥其消能减震的作用。The ladder shear connection device and the concrete in it form a good restrained concrete strip, which greatly improves the performance of the shear connection device and concrete working together, enhances the overall stability of the structure, and is conducive to exerting its energy dissipation and shock absorption functions. effect.
根据本发明的技术方案，该梯格抗剪装置-钢-压型钢板-再生混凝土组合梁制作方法，其制作步骤如下：According to the technical solution of the present invention, the manufacturing method of the ladder shearing device-steel-profiled steel plate-recycled concrete composite beam, its manufacturing steps are as follows:
1）在钢梁1上铺设压型钢板2，并在压型钢板2下方设置顶撑；1) Lay the profiled
2）压型钢板2铺设完成后，在相应位置布置抗剪连接件6，即将压型钢板2与钢梁1固定；2) After the profiled
3）沿钢梁1方向的抗剪连接件6上方布置梯格横钢7，并将该钢筋焊接于下部抗剪连接件6；沿垂直于钢梁1方向在抗剪连接件6上方布置焊接梯格纵筋9，即形成梯格抗剪装置；3) Ladder
4）布置横向钢筋4和纵向钢筋6，将其绑扎于梯格抗剪装置上方；4) Arrange the
5）对抗剪连接装置、钢筋布置和顶撑验收无误后，方可在压型钢板2上方浇筑再生混凝土3；5) Recycled
6）再生混凝土3终凝后洒水养护并不少于7天；6) Recycled
7）待再生混凝土3强度达到设计抗压强度后拆可拆除顶撑。7) After the strength of the recycled
以上是本发明的典型实施例，本发明的实施不限于此。The above are typical embodiments of the present invention, and the practice of the present invention is not limited thereto.
Claims (4)
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| CN104100006A (en) * | 2014-07-07 | 2014-10-15 | 张跃 | Girder and column connecting structure |
| CN106436975A (en) * | 2016-10-26 | 2017-02-22 | 曲周县和盛新型建筑材料有限公司 | Built-in girder shear wall |
| CN106759866A (en) * | 2016-12-27 | 2017-05-31 | 浙江圣鑫建设有限公司 | A kind of lightweight steel frame light gauge cold-formed steel shape wall composite construction building construction system |
| CN110158464A (en) * | 2019-06-03 | 2019-08-23 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of novel shear key combination beam and its construction method |
| CN110952702A (en) * | 2019-12-17 | 2020-04-03 | 长安大学 | A soil-shaped steel beam-concrete composite beam-slab system and its construction method |
| CN111441524A (en) * | 2020-05-18 | 2020-07-24 | 新世纪建设集团有限公司 | Construction structure and construction method of circular arc type sloping roof pressing plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106759866A (en) * | 2016-12-27 | 2017-05-31 | 浙江圣鑫建设有限公司 | A kind of lightweight steel frame light gauge cold-formed steel shape wall composite construction building construction system |
| CN106759866B (en) * | 2016-12-27 | 2017-12-01 | 浙江圣鑫建设有限公司 | A kind of lightweight steel frame light gauge cold-formed steel shape wall composite construction building construction system |
| CN110158464A (en) * | 2019-06-03 | 2019-08-23 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of novel shear key combination beam and its construction method |
| CN110952702A (en) * | 2019-12-17 | 2020-04-03 | 长安大学 | A soil-shaped steel beam-concrete composite beam-slab system and its construction method |
| CN111441524A (en) * | 2020-05-18 | 2020-07-24 | 新世纪建设集团有限公司 | Construction structure and construction method of circular arc type sloping roof pressing plate |
| CN113502733A (en) * | 2021-07-19 | 2021-10-15 | 华南理工大学 | Connecting rod group device for steel-concrete composite beam and construction method |
| CN113502733B (en) * | 2021-07-19 | 2024-05-31 | 华南理工大学 | Connecting rod group device for steel-concrete composite beam and construction method |
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| CN103741877B (en) | 2016-07-06 |
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